Home / 1,108,863.18-1,663,474.19-434,578.86

Finding the Fourth Proportional to 1,108,863.18, 1,663,474.19 and 434,578.86

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Solution

The fourth proportional to 1,108,863.18, 1,663,474.19 and 434,578.86 is: 651,938.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,863.18 : 1,663,474.19 = 434,578.86 : x
  2. Step 2: Convert to fraction form
    1,108,863.18/1,663,474.19 = 434,578.86/x
  3. Step 3: Cross multiply
    1,108,863.18x = 1,663,474.19 × 434,578.86
  4. Step 4: Simplify right side
    1,108,863.18x = 722,910,714,956.73
  5. Step 5: Solve for x
    x = 722,910,714,956.73/1,108,863.18
  6. Step 6: Final answer
    x = 651,938.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.